Set 2 x B440dn, 1200x1200dpi, 28ppm, 64MB, Duplex, USB 2.0, Ethernet
OKI B440dn, Laser, 1200 x 1200 DPI, A4, 28 ppm, Duplex printing, Network ready
OKI B440dn. Print technology: Laser. Duty cycle (monthly, A4): 70000 pages per month. Resolution (maximum): 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed black (normal, A4/US Letter): 28 ppm, Duplex printing. Display: LCD. Network ready